ARTEMIS® – Speed of Inspection Results in Large Cost Savings for Unpiggable Flowline

Mar 22, 2021

The ”Unpiggable” Flowline – ARTEMIS® Case Study


  • 10” WI ”Unpiggable” Flowline
  • 5 areas selected for inspection of corrosion/ erosion rate since previous inspection
  • 4 mm Polyethylene and FBE coating
  • Partially buried

Onshore Blind Testing

All 7 defects found with high degree of accuracy

Wall thickness result from ARTEMIS inspection


  • All defects found with high accuracy
  • No coating removal required
  • Minimal dredging required, saving
  • several days vessel time
  • Inspection speed was 30% of allocated operator time
ARTEMIS performing inspection subsea

“ARTEMIS® provided data as good and faster as other methods I’ve used. This allowed us to reduce the amount of dredging which saved us a significant amount of time and money”

– Client

What is ARTEMIS®

ARTEMIS® is a subsea external pipeline and riser inspection system that inspects subsea pipelines and risers with measurement capabilities exceeding existing alternative technologies. It is deployed on a remotely operated vehicle (ROV) to inspect subsea pipelines to assess their internal condition. With its unique sensors design, it is able to perform a full circumferential scan in a fraction of the time needed by less-sophisticated technologies. Because there is no radioactive source, health and safety risks are significantly reduced.

Other Case Studies

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The Challenge TSC Subsea was contracted by a client to  carry out wall thickness assessment of Condensate Export Pipeline (CEP) and Pipeline End Manifold (PLEM) without removing the protective concrete weight coat (CWC). The assessment was required as the client...